I was 72 years old when I had 4xCABG in March of 2015. About a month after surgery, I was is a drug store and noticed scar medications on the top shelf. Three brands and three different prices. Not knowing if they actually worked or not, I picked the mid-priced brand and started using it twice a day. This medication dried into a clear film over the scar. Each day I would peal off the film, wash the scar and do it over again. I used that medication for about two months, but as the hair on my chest started growing back out, it wasn't any fun pealing off that film. Next I tried the expensive brand and it soaked into the skin without forming a film so I continued with it for another two months. Then I tried the cheap brand for another two months.
So all together, I used those scar medications for about six months. Right now, someone in a locker room about 8-10 feet away from me would probably not even notice my scar unless they were looking for it. It is that light. For my own peace of mind, it was well worth the time and cost. But everyone is different so best wishes to you on your surgery. I hope your recovery is as good as mine was.